EP0144449A4 - Method and apparatus of modulating digital data and of demodulating. - Google Patents

Method and apparatus of modulating digital data and of demodulating.

Info

Publication number
EP0144449A4
EP0144449A4 EP19840902369 EP84902369A EP0144449A4 EP 0144449 A4 EP0144449 A4 EP 0144449A4 EP 19840902369 EP19840902369 EP 19840902369 EP 84902369 A EP84902369 A EP 84902369A EP 0144449 A4 EP0144449 A4 EP 0144449A4
Authority
EP
European Patent Office
Prior art keywords
demodulating
digital data
modulating digital
modulating
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19840902369
Other languages
German (de)
French (fr)
Other versions
EP0144449A1 (en
EP0144449B1 (en
Inventor
Masato Sony Corporation Tanaka
Takuji Sony Corporation Himeno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to AT84902369T priority Critical patent/ATE100961T1/en
Publication of EP0144449A1 publication Critical patent/EP0144449A1/en
Priority to MYPI87002616A priority patent/MY101486A/en
Publication of EP0144449A4 publication Critical patent/EP0144449A4/en
Application granted granted Critical
Publication of EP0144449B1 publication Critical patent/EP0144449B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/10—Process of turning
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/13—Pattern section
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/25—Lathe
    • Y10T82/2502—Lathe with program control

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Dc Digital Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Numerical Control (AREA)
EP84902369A 1983-06-17 1984-06-15 Method and apparatus of modulating digital data and of demodulating Expired - Lifetime EP0144449B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT84902369T ATE100961T1 (en) 1983-06-17 1984-06-15 METHOD AND APPARATUS FOR MODULATING DIGITAL DATA AND FOR DEMODULATING.
MYPI87002616A MY101486A (en) 1983-06-17 1987-09-30 Methods of modulating digital data

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP108697/83 1983-06-17
JP58108697A JPS601956A (en) 1983-06-17 1983-06-17 Modulating method of digital data

Publications (3)

Publication Number Publication Date
EP0144449A1 EP0144449A1 (en) 1985-06-19
EP0144449A4 true EP0144449A4 (en) 1987-10-26
EP0144449B1 EP0144449B1 (en) 1994-01-26

Family

ID=14491341

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84902369A Expired - Lifetime EP0144449B1 (en) 1983-06-17 1984-06-15 Method and apparatus of modulating digital data and of demodulating

Country Status (6)

Country Link
US (3) US4564914A (en)
EP (1) EP0144449B1 (en)
JP (1) JPS601956A (en)
AU (1) AU569903B2 (en)
DE (1) DE3486269T2 (en)
WO (1) WO1985000067A1 (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6151203A (en) * 1984-08-18 1986-03-13 Fanuc Ltd Numerical control system
FR2585905B1 (en) * 1985-08-02 1987-09-25 Telediffusion Fse METHOD FOR BASIC BAND MODULATION OF A DATA SIGNAL, CORRESPONDING MODULATION APPARATUS AND DEMODULATION APPARATUS
JPS62163109A (en) * 1986-01-14 1987-07-18 Mitsubishi Electric Corp Numerical controller
US4862777A (en) * 1986-03-05 1989-09-05 Honda Giken Kogyo Kabushiki Kaisha Method and apparatus for forming surfaces on piston rings
JPS62264307A (en) * 1986-05-13 1987-11-17 Fanuc Ltd Normal line vector arithmetic method
US4989316A (en) * 1987-03-09 1991-02-05 Gerber Scientific Products, Inc. Method and apparatus for making prescription eyeglass lenses
WO1988008346A1 (en) * 1987-04-24 1988-11-03 Innofinance Általános Innovációs Pénzintézet Method and working machine for producing surfaces of non-circular but regular cross-sections
DE3828594C2 (en) * 1987-08-24 2002-04-25 Toshiba Machine Co Ltd Numerically controlled machine tool and method for controlling the grinding process carried out with it
US4866643A (en) * 1987-10-09 1989-09-12 Brown & Sharpe Manufacturing Company Method for automatic compensation of probe offset in a coordinate measuring machine
JPH01141436A (en) * 1987-11-27 1989-06-02 Sony Corp Frame synchronizing method
JPH077296B2 (en) * 1988-04-05 1995-01-30 豊田工機株式会社 Numerical controller for machining non-round workpieces
US5067284A (en) * 1988-09-12 1991-11-26 Ex-Cell-O Gmbh Machine tool
JPH06104293B2 (en) * 1989-01-30 1994-12-21 豊田工機株式会社 Non-roundness control device
US5221306A (en) * 1989-12-29 1993-06-22 At&T Bell Laboratories Method and apparatus for modifying the transverse cross section of a body
JP2767960B2 (en) * 1990-02-28 1998-06-25 松下電器産業株式会社 Inspection method and inspection apparatus for recording medium and inspection method for recording / reproducing apparatus
JP3030046B2 (en) * 1990-03-22 2000-04-10 豊田工機株式会社 Non-roundness generating device
JPH04129602A (en) * 1990-09-20 1992-04-30 Toyoda Mach Works Ltd Non-roundness generating device
US5210695A (en) * 1990-10-26 1993-05-11 Gerber Optical, Inc. Single block mounting system for surfacing and edging of a lens blank and method therefor
JPH04225625A (en) * 1990-12-27 1992-08-14 Sony Corp Digital modulation system
EP0511814A1 (en) * 1991-05-01 1992-11-04 British United Shoe Machinery Limited Controlling the progressive operation of a tool along a predetermined path
KR960013170B1 (en) * 1992-12-03 1996-09-30 미쯔시다덴기산교 가부시기가이샤 Processing apparatus with movable processing tool
FR2749527B1 (en) * 1996-06-06 1998-07-17 Const Mecaniques Des Vosges METHODS FOR MACHINING MECHANICAL PARTS, PARTICULARLY COMPLEX PARTS
DE19624722A1 (en) * 1996-06-21 1998-01-08 Iprotec Masch & Edelstahlprod Method and device for producing inner and / or outer contours deviating from the circular shape
AUPO876897A0 (en) * 1997-08-25 1997-09-18 Anca Pty Ltd An improved clamping device and method of operation for a cnc machine
US6367359B1 (en) * 1998-11-18 2002-04-09 Ronald P. Ropos Boring and contouring apparatus
JP2001132627A (en) * 1999-11-04 2001-05-18 Sanden Corp Chamfering method of swash plate of swash plate compressor
DE10351536B4 (en) * 2003-11-03 2009-12-24 Carl Freudenberg Kg Surface cleaning device
JP4451381B2 (en) * 2005-12-02 2010-04-14 ヤマザキマザック株式会社 NC machining program creation method and NC machining program creation device of NC machining apparatus
DE102006022831A1 (en) * 2006-05-16 2007-11-22 Siemens Ag Method of controlling a grinding machine and numerically controlled grinding machine
US20100030365A1 (en) * 2008-07-30 2010-02-04 Pratt & Whitney Combined matching and inspection process in machining of fan case rub strips
US20110185529A1 (en) * 2010-01-08 2011-08-04 Freudenberg Household Products Lp Cleaning implement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3623041A (en) * 1969-07-22 1971-11-23 Ibm Method and apparatus for encoding and decoding digital data
US4027335A (en) * 1976-03-19 1977-05-31 Ampex Corporation DC free encoding for data transmission system
DE2828219A1 (en) * 1978-06-28 1980-01-10 Bosch Gmbh Robert METHOD FOR RECORDING AND PLAYING BACK DIGITAL DATA ON MAGNETIC STORAGE
FR2438391A1 (en) * 1978-10-05 1980-04-30 Ampex APPARATUS FOR SELF-RHYTHMIC TRANSMISSION OF BINARY DATA WITH CONTINUOUS COMPONENT DELETION
FR2438388A1 (en) * 1978-10-05 1980-04-30 Amp Inc ENCODING APPARATUS WITH LIMITED PREDICTION MEANS FOR THE TRANSMISSION OF BINARY DATA WITHOUT CONTINUOUS COMPONENT
EP0019821A2 (en) * 1979-05-31 1980-12-10 Licentia Patent-Verwaltungs-GmbH Method and device for transmitting a binary sequence

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1954845B2 (en) * 1969-10-31 1977-12-29 Gildemeister Ag, 4800 Bielefeld DEVICE FOR OPTIMAL ADAPTATION OF A NUMERICALLY CONTROLLED MACHINE TOOL TO THE PROCESSING OF A WORKPIECE
US3698268A (en) * 1970-08-07 1972-10-17 Bendix Corp Numerical control system for interrupted cutting conditions
JPS5424156B1 (en) * 1971-02-03 1979-08-18
US3875382A (en) * 1973-07-26 1975-04-01 Hymie Cutler Path generating apparatus and method particularly for generating a two-lobed epitrochoid contour
FR2267584B1 (en) * 1974-04-11 1978-01-13 Renault
US4033206A (en) * 1974-07-11 1977-07-05 Daihatsu Motor Co., Ltd. Numerically controlled machine tool
JPS51119482A (en) * 1975-04-09 1976-10-20 Dainichi Kinzoku Kogyo Kk Program control method for cutting and processing machine
US4135238A (en) * 1976-01-26 1979-01-16 Hamill Company, Inc. Numerically controlled machine tool system
USRE31311E (en) * 1976-03-19 1983-07-12 Ampex Corporation DC Free encoding for data transmission system
DE2732354C3 (en) * 1977-07-18 1981-09-10 Goetze Ag, 5093 Burscheid Lathe for non-circular machining, in particular of piston rings
JPS5467280A (en) * 1977-11-08 1979-05-30 Toyoda Mach Works Ltd Numerical control unit for controlling the processing of a nonround work
DE2908383A1 (en) * 1979-03-03 1980-09-04 Goetze Ag DEVICE FOR THE CIRCULAR MACHINING OF UNROUND WORKPIECES, IN PARTICULAR PISTON RINGS
DE2918249A1 (en) * 1979-05-05 1980-11-06 Goetze Ag MACHINE FOR PREFERABLY CHANGING CIRCULAR MACHINING OF UNCIRCULAR WORKPIECES, IN PARTICULAR PISTON RINGS
FR2460522A1 (en) * 1979-07-02 1981-01-23 Cii Honeywell Bull METHOD AND DEVICE FOR DIGITAL MAGNETIC RECORDING WITH HIGH FREQUENCY POLARIZATION
US4250551A (en) * 1979-07-11 1981-02-10 Giddings & Lewis, Inc. Methods and apparatus for lead segment machining
JPS5690407A (en) * 1979-12-20 1981-07-22 Sony Corp Encoding circuit
JPS56160164A (en) * 1980-05-10 1981-12-09 Sony Corp Modulating method of digital signal
NL8003474A (en) * 1980-06-16 1982-01-18 Philips Nv METHOD FOR CODING DATA BITS ON A RECORD CARRIER, DEVICE FOR CARRYING OUT THE METHOD AND RECORD CARRIER EQUIPPED WITH AN INFORMATION STRUCTURE.
NL8003476A (en) * 1980-06-16 1982-01-18 Philips Nv METHOD FOR CODING DATA BITS ON A RECORD CARRIER, DEVICE FOR CARRYING OUT THE METHOD, RECORD CARRIER EQUIPPED WITH AN INFORMATION STRUCTURE AND DEVICE FOR DECODING THE RECORDED READERS.
US4365301A (en) * 1980-09-12 1982-12-21 The United States Of America As Represented By The United States Department Of Energy Positional reference system for ultraprecision machining
US4495528A (en) * 1981-07-10 1985-01-22 Victor Company Of Japan, Ltd. Magnetic reproducing system for a digital signal

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3623041A (en) * 1969-07-22 1971-11-23 Ibm Method and apparatus for encoding and decoding digital data
US4027335A (en) * 1976-03-19 1977-05-31 Ampex Corporation DC free encoding for data transmission system
DE2828219A1 (en) * 1978-06-28 1980-01-10 Bosch Gmbh Robert METHOD FOR RECORDING AND PLAYING BACK DIGITAL DATA ON MAGNETIC STORAGE
FR2438391A1 (en) * 1978-10-05 1980-04-30 Ampex APPARATUS FOR SELF-RHYTHMIC TRANSMISSION OF BINARY DATA WITH CONTINUOUS COMPONENT DELETION
FR2438388A1 (en) * 1978-10-05 1980-04-30 Amp Inc ENCODING APPARATUS WITH LIMITED PREDICTION MEANS FOR THE TRANSMISSION OF BINARY DATA WITHOUT CONTINUOUS COMPONENT
EP0019821A2 (en) * 1979-05-31 1980-12-10 Licentia Patent-Verwaltungs-GmbH Method and device for transmitting a binary sequence

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 21, no. 1, June 1978, pages 361-362, New York, US; D.M. TAUB: "Elimination of DC component in MFM-type codes" *
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 24, no. 4, September 1981, pages 2055-2056, New York, US; G.R. FRAZIER: "Improved modified frequency modulation code" *

Also Published As

Publication number Publication date
DE3486269T2 (en) 1994-05-05
JPH0446017B2 (en) 1992-07-28
AU569903B2 (en) 1988-02-25
EP0144449A1 (en) 1985-06-19
USRE33356E (en) 1990-09-25
US4564914A (en) 1986-01-14
EP0144449B1 (en) 1994-01-26
AU3063084A (en) 1985-01-11
US4672363A (en) 1987-06-09
WO1985000067A1 (en) 1985-01-03
JPS601956A (en) 1985-01-08
DE3486269D1 (en) 1994-03-10

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